Balancing and weighing
Subtitle: teachers' guide
By: National Science Resources Center.
Contributors: National Science Resources Center (U.S.)
Series: Science and technology for children
Publisher: National Science Resources Center
Published: 2002
Place of publication: Washington, D.C
Language: eng
Number of pages: 160
Subjects: Equilibrium -- Study and teaching (Elementary); Weights and measures -- Study and teaching (Elementary)
Notes: Grade two physical science and technology